855042366 has 16 divisors (see below), whose sum is σ = 1727017488. Its totient is φ = 282192000.

The previous prime is 855042347. The next prime is 855042373. The reversal of 855042366 is 663240558.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704875 + ... + 706086.

It is an arithmetic number, because the mean of its divisors is an integer number (107938593).

Almost surely, 2^855042366 is an apocalyptic number.

855042366 is an abundant number, since it is smaller than the sum of its proper divisors (871975122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855042366 is a wasteful number, since it uses less digits than its factorization.

855042366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411067.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 855042366 is about 29241.1074687673. The cubic root of 855042366 is about 949.1376721532.

The spelling of 855042366 in words is "eight hundred fifty-five million, forty-two thousand, three hundred sixty-six".